Need answer asap. in advance! which expression is not equivalent to 8+(n-4)? 1} (8-4) + n 2} n + 4 3} 12+n 4} (8+n)-4 you!

expression #3 is not equivalent. the others are.

the highest percentage for deaths in construction from highest to lowest is as follows: falls, struck by objects, electrocution, and caught-in/between. these four are collectively known as fatal four.

in the case of falls, the type that is responsible for the overall highest death in the category is falls from roofs.

i those same problems in math and dont know how to do them